Geometry: Ch 4 - Geometric Figures (5 of 18) The Rhombus

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In this video I will define the rhombus, and explain the equations of its parameter and area.

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The length of the diagonals p & q given the side s and vertex angle θ in the lower left are
p = s√(2 - 2cos θ)
q = s√(2 + 2cos θ)

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